Rack



FIG. 1 is a perspective view of a rack showing my new design;

FIG. 2 is another perspective view of the rack shown in FIG. 1;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings depict portions of the rack that formno part of the claimed design.

CLAIM The ornamental design for a rack, as shown and described.